Seiko Cal. 4431 - 655

This Spring Drive model from 1999 features a 35mm Two-Tone case. It features a Champagne dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-9dd6b14428d7]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Champagne

Jewels

33j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1999

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